Provides detailed information regarding the physical characteristics and unique traits of more than eighteen hundred precious and semiprecious stones, as well as discussing gemstone structure, production, name origin, and symbolism.
Full-color illustrations of all gemstones and hundreds of semi-precious stones accompany guidelines for identification and classification and articles on mining, cutting, and the properties and characteristics of each
"Guide to the identification and properties of precious and semiprecious gems, novelty stones, agates and crystals.
"Gems and Gemstones" features nearly 300 color images of cut gems, precious and semiprecious stones, gem-quality mineral specimens, and fine jewelry to be unveiled in the new Grainger Hall of Gems at the Field Museum in Chicago.
The clearest and cleanest-cut photographic field guide to over 130 gemstones from around the world This compact visual guide is packed with more than 800 vivid full-colour photographs of more than 130 varieties of cut and uncut stones, ...
Gemstones of the World
Shows and describes different kinds of rocks and minerals, and tells how to identify rocks by testing for hardness, streak color, and density
Spinel's name is derived from the Italian word spinella (“little thorn”), from the Latin word for “thorn” (spina), which alludes to the fact that its characteristic octahedral crystals have pointed ends. Properties and characteristics: ...
This exceptionally extravagant book is a picture-packed, fact-filled celebration guaranteed to bring sparkle to your life and your library.
In this book, the author expounds on how they were formed, why they altered, why they became the cradles of precious gemstones, how they are categorized, and how they are now exploited by man. What initiates the growth of gemstones?
It is only in the last few centuries that advances in science and the understanding of chemistry, composition, and geological processes have allowed for the synthesis of gemstones. Today the use of imitations and synthetics is ...